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Timing problem on Mopar


4 replies to this topic

#1 Ghostbluesman

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Posted 23 October 2009 - 08:13 PM

OK, fellas, here's a non-Blumo question about timing, but it IS a Mopar...:BB:...we finally got Drake's Duster running today (after about a million dollars worth of parts, or so it seems;))! It runs pretty strong and quite well (except for a slight miss); we had to add a fuel regulator for the Edelbrock 4 barrel, because it was getting about 7 lbs of pressure--we cut it down to 5 and stopped drowning the plugs--and needless to say, I am a happy camper (and so is Drake, as this is his car and I'm just his "free mechanic dad")....

...BUT....when I went to set the initial timing with my light and to fine tune it, I can't find the damper mark! Posted Image I've shot it with the timing light, and the darn thing is no where near the cast tab...in fact, it's somewhere under the water pump, and when you turn the distributor to adjust it, it will kill the engine before the mark shows up....otherwise, the car runs fine, but I don't want to risk overheating, bent valves, performance issues, etc., so I want to do this right the first time.

What would cause the mark to vanish? We had it lined up correctly at TDC, with the rotor pointing at the #1 plug, and it started great...but now it's just not there for me to do the initial and total timing. The mark I was using is a groove cut all the way across the damper (there are some other, shorter marks evenly spaced around the circumference also), and the tab is cast with increments and has the big "0" on it.... I know just enough about this stuff to make me dangerous, but this has me confused! Posted Image

BTW, this is an '86 model 318 with no Lean-Burn, automatic tranny, and a 600 cfm Edelbrock carb, if it matters.

Any ideas?
Rob
"Are you the police?"

"No ma'am...we're musicians."


1975 Dodge Monaco Bluesmobile 440
1962 Ford Falcon 2-door longroof 302
1943 Ford GPW 134
1957 Plymouth Savoy 301
1974 Plyouth Duster 318
Looking for: 1968 Mercury Park Lane 428

#2 Monaco74

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Posted 24 October 2009 - 01:22 AM

Dumb question, but are you sure you have the timing light on the #1 cylinder plug wire?
Oh, this can is from a surplus disposal run. 15 overcharged ounces of pure uncompounded isoproponyl butane monosulphide.

#3 Ghostbluesman

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Posted 24 October 2009 - 08:33 AM

Yep...that's the first thing I checked; I put it in 2 different spots: by the plug boot, then by the distributor cap.

Another guy said I had the distributor in wrong, but I don't thinks it's possible for an engine to run that well if it's 180 degrees out, do you?
Rob
"Are you the police?"

"No ma'am...we're musicians."


1975 Dodge Monaco Bluesmobile 440
1962 Ford Falcon 2-door longroof 302
1943 Ford GPW 134
1957 Plymouth Savoy 301
1974 Plyouth Duster 318
Looking for: 1968 Mercury Park Lane 428

#4 Ghostbluesman

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Posted 26 October 2009 - 10:35 AM

SOLVED! :(

I had the distributor gear one tooth too far ahead to be able to adjust the mark; I moved it back one notch, and the car is finally timed correctly! ;)
Rob
"Are you the police?"

"No ma'am...we're musicians."


1975 Dodge Monaco Bluesmobile 440
1962 Ford Falcon 2-door longroof 302
1943 Ford GPW 134
1957 Plymouth Savoy 301
1974 Plyouth Duster 318
Looking for: 1968 Mercury Park Lane 428

#5 TI4438

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Posted 26 October 2009 - 11:16 AM

Ain't it nice when stuff works the way it is supposed to!





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